Gilbert Synergie Viper Mouth Guard For All Sport (Available Size: Junior & Senior)100% AuthenticThe Gilbert Synergy Viper Mouth guard is a pre contoured shield with extra wall thickness, which minimizes trauma to the jaw and skull. Pr-Contoured Shield. Reduces material shrinkage, providing maximum protection with upper palate support for easier breathing.Many players starting rugby for the first time need a high quality mouth guard at good value for money whilst they get into the sport, the Viper Mouth guard is perfect for these requirements and is available for both juniors and seniors.The Mouth guard is available in black/white, black/red & blue/white for all preferences and the boil and bite method ensures that players can tailor it to their teeth.